Numerical and Experimental Demonstration of Intermodal Dispersive Wave Generation

被引:14
作者
Luepken, Niklas M. [1 ]
Timmerkamp, Maximilian [1 ]
Scheibinger, Ramona [2 ]
Schaarschmidt, Kay [2 ]
Schmidt, Markus A. [2 ,3 ]
Boller, Klaus-J [1 ,4 ]
Fallnich, Carsten [1 ,4 ]
机构
[1] Univ Munster, Inst Appl Phys, Corrensstr 2, D-48149 Munster, Germany
[2] Leibniz Inst Photon Technol, Albert Einstein Str 9, D-07745 Jena, Germany
[3] Friedrich Schiller Univ Jena, Otto Schott Inst Mat Res, Fraunhoferstr 6, D-07743 Jena, Germany
[4] Univ Twente, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands
关键词
dispersive wave; nonlinear optics; silicon nitride; supercontinuum generation; transverse modes; CROSS-PHASE MODULATION; SUPERCONTINUUM GENERATION; FREQUENCY COMB; BROAD-BAND; RAMAN-SCATTERING; GUIDES; FIBER; DYNAMICS;
D O I
10.1002/lpor.202100125
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Evidence of intermodal dispersive wave generation mediated by intermodal cross-phase modulation (iXPM) between different transverse modes during supercontinuum generation in silicon nitride waveguides is presented. The formation of a higher-order soliton in one strong transverse mode leads to phase modulation of a second, weak transverse mode by iXPM. The phase modulation enables not only supercontinuum generation but also dispersive wave generation within the weak mode, that otherwise has insufficient power to facilitate dispersive wave formation. The nonlinear frequency conversion scheme presented here suggests phase-matching conditions beyond what is currently known, which can be exploited for extending the spectral bandwidth within supercontinuum generation.
引用
收藏
页数:8
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